This Screen adopts high density fiber material, no smell, no harm to human body. The metal layer, plus bead particles, increases the brightness. It's grey curtain, effectively improve the projection contrast. Do not need to close the door and Windows in the daytime, we also can experience the excellent projection effect. 160° Wider Viewing Angle - The outside projector screen with a wide viewing angle up to 160° , that means you don't need to sit directly in front of the screen, just only need to select the most comfortable viewing posture to enjoy wonderful movie night. Suitable for outdoor camping movie, open- cinema, translucent screen is designed forfront or back projection.